121097827 has 2 divisors, whose sum is σ = 121097828. Its totient is φ = 121097826.

The previous prime is 121097797. The next prime is 121097831. The reversal of 121097827 is 728790121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121097827 - 2¹⁵ = 121065059 is a prime.

It is not a weakly prime, because it can be changed into another prime (121097857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60548913 + 60548914.

It is an arithmetic number, because the mean of its divisors is an integer number (60548914).

Almost surely, 2^121097827 is an apocalyptic number.

121097827 is a deficient number, since it is larger than the sum of its proper divisors (1).

121097827 is an equidigital number, since it uses as much as digits as its factorization.

121097827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 121097827 is about 11004.4457834095. The cubic root of 121097827 is about 494.7420034313.

The spelling of 121097827 in words is "one hundred twenty-one million, ninety-seven thousand, eight hundred twenty-seven".